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Browsing by Subject "Membrane"

Now showing items 1-20 of 33

Accurate characterization of single track-etched, conical nanopores

Apel, Pavel Yu; Ramirez Hoyos, Patricio; Blonskaya, Irina V.; Orelovitch, Oleg L.; Sartowska, Bozena A. (Royal Society of Chemistry, 2014)

Single track-etched conical nanopores in polymer foils have attracted considerable attention in recent years due to their potential applications in biosensing, nanofluidics, information processing, and other fields. The ...
Adaptive planar structures

WEILANDT, Agnes (Editorial Universitat Politècnica de València, 2010-02-24)

Panes and shells as only in-plane loaded structural elements play an important role in lightweight structures. However their great bearing capacity will be reduced significantly when their homogeneous stress distribution ...
Ajuste con la herramienta Solver de Excel de los parámetros del modelo de un proceso de membranas

Gozálvez Zafrilla, José Marcial; Santafé Moros, María Asunción (2016-05-04)

Se explica el procedimiento de ajuste de los parámetros de un modelo de membranas. En particular se realiza sobre el modelo de Kedem-Spiegler, utilizado para modelizar el flujo y rechazo de las membranas de nanofiltración. ...
Characterization of polypyrrole/phosphotungstate membranes by electrochemical impedance spectroscopy

Bonastre Cano, José Antonio; Molina Puerto, Javier; Galvan, J. C.; Cases Iborra, Francisco Javier (Elsevier, 2014-01)

The aim of this study was to design and prepare multifunctional PPy/PW12O403- membranes useful for the development of smart textile fabrics and wastewaters treatments based on the application of electrochemical techniques. ...
Control de una planta piloto para el estudio del comportamiento permeoselectivo de membranas

González Montoya, Guillermo Andrés (2013-03-06)

[ES] Se busca analizar el comportamiento de rechazo y de caudal de permeado de una membrana, cuando las variables operativas son controladas por un sistema de control diseñado a partir de ecuaciones hidrodinámicas que ...
Desarrollo de biosensores fotónicos basados en membranas de silicio poroso

Martín Sánchez, David (2019-09-02)

[ES] El desarrollo de los biosensores está permitiendo llevar a cabo análisis bioquímicos cada vez más rápidos, de manera mucho más sencilla y utilizando una menor cantidad de muestra. Esto está dando lugar a aplicaciones ...
Desarrollo de un procedimiento de selección de módulos comerciales de OI a parir de características permeoselectivas.

Baguena Añó, Vicente (2015-03-09)

[EN] Selecting a significant sampling of commercial RO modules and obtain the parameters that define their permselective characteristics, using data obtained through software design and adjustment values using Matlab. ...
Diseño de un sistema de filtración de sangre para su análisis mediante membranas de MF/UF

Barranca Mexia, Antonio (2018-09-26)

[ES] Tras la extracción sanguínea es necesaria la aplicación de una etapa de centrifugación para separar las distintas fases a analizar: Plasma, hematocrito y plaquetas sanguíneas. En este TFG se va a desarrollar un ...
Diseño de una cubierta retráctil, con estructura tensegrítica, para la Plaza de Toros de Pamplona (Navarra)

Peralta González, Christian (2017-10-26)

[EN] The present master's dissertation of the degree Master en Ingeniería de Caminos, Canales y Puertos, presents the design of a retractable roof sustained by a tensegrity structure to cover the building Plaza de Toros ...
Diseño de una EDARI con la tecnología AnMBR para una empresa confitera ubicada en la ciudad de Quito en Ecuador.

Pazmiño Arias, Carlos Esteban (2017-08-29)

In the last decades the global environmental degradation that has been observed is the direct result of population increase, economic development based on industrialization and lack of foresight and control in the generation ...
El rol de la tecnología de membranas en la transformación de las EDAR convencionales en estaciones de recuperación de recursos: efecto sobre el proceso de fangos activados.

Godifredo Calvo, Jesús (2018-12-21)

[ES] El tratamiento actual de depuración implantado en la mayoría de las depuradoras considera el agua residual como un residuo a gestionar y no como una fuente de recursos que se puedan recuperar. Sin embargo, motivado ...
Electrochemical synthesis of polypyrrole doped with graphene oxide and its electrochemical characterization as membrane material

Molina Puerto, Javier; Bonastre Cano, José Antonio; Fernández Sáez, Javier; Del Río García, Ana Isabel; Cases Iborra, Francisco Javier (Elsevier, 2016-07-12)

Polypyrrole (PPy) doped with graphene oxide (GO) has been electrochemically obtained by potentiostatic synthesis and its electrochemical behavior as membrane material has been studied for the first time. Fourier transform ...
Electrospun adherent-antiadherent bilayered membranes based on cross-linked hyaluronic acid for advanced tissue engineering applications

Arnal Pastor, María Pilar; Martínez Ramos, Cristina; Perez Garnes, Manuel; Monleón Pradas, Manuel; Vallés Lluch, Ana (Elsevier, 2013-10-01)

[EN] A procedure to obtain electrospun mats of hyaluronic acid (HA) stable in aqueous media in one single step has been developed. It consists in combining an HA solution with a divinyl sulfone one as cross-linker in a ...
Enhanced oxygen separation through robust freeze-cast bilayered dual-phase membranes

Gaudillere, Cyril Christian; García Fayos, Julio; Balaguer Ramírez, María; Serra Alfaro, José Manuel (Wiley-VCH Verlag, 2014-09)

Dual-phase oxygen-permeable asymmetric membranes with enhanced oxygen permeation were prepared by combining freeze-casting, screen-printing, and constraint-sintering techniques. The membranes were evaluated under oxyfuel ...
Experimental study of the anaerobic urban wastewater treatment in a submerged hollow-fibre membrane bioreactor at pilot scale.

Giménez García, Juan Bautista; Robles Martínez, Ángel; Carretero Martín, Laura; Durán Pinzón, Freddy; Ruano García, María Victoria; Gatti, Marcela Noemi; Ribes Bertomeu, Jose; Ferrer Polo, José; Seco Torrecillas, Aurora (Elsevier, 2011-10)

The aim of this study was to assess the effect of several operational variables on both biological and separation process performance in a submerged anaerobic membrane bioreactor pilot plant that treats urban wastewater. ...
Influence of operating conditions on ceramic ultrafiltration membrane performance when treating textile effluents

Barredo Damas, Sergio; Alcaina Miranda, María Isabel; GEMMA, MATTEO; Iborra Clar, María Isabel; Mendoza Roca, José Antonio (IWA Publishing, 2011)

[EN] This work studies the performance of three commercial ceramic ultrafiltration membranes (ZrO 2-TiO 2) treating raw effluent from a textile industry. The effect of crossflow velocity at 3, 4 and 5 m s -1 as well as ...
Influence of organic matter type in wastewater on soluble microbial products production and on further ultrafiltration

Ferrer-Polonio, Eva; Fernández-Navarro, Julián; Alonso Molina, José Luís; Bes-Piá, M.A.; Mendoza Roca, José Antonio (John Wiley & Sons, 2018)

[EN] BACKGROUND Membrane fouling is the main limiting factor for the application of ultrafiltration (UF) to wastewater treatment as tertiary treatment or in membrane bioreactors. Soluble microbial products (SMP) play the ...
Influence of Zeolite Protective Overlayer on the Performances of Pd Thin Film Membrane on Tubular Asymmetric Alumina Supports

Abate, Salvatore; Díaz Morales, Urbano Manuel; Prieto Arnal, Alejandro; Gentiluomo, Serena; Palomino Roca, Miguel; Perathoner, Siglinda; Corma Canós, Avelino; Centi, Gabriele (American Chemical Society, 2016-05-04)

[EN] The role of zeolite overlayer in the performance of Pd thin film membranes on asymmetric alumina tubular supports is analyzed. These novel multilayer membranes have a ceramic base support (asymmetric α-Al2O3 ...
Liquid crystal polymers and ionomers for membrane applications

Martinez-Felipe, Alfonso (Taylor & Francis, 2011)

[EN] Transport phenomena through polymeric composite membranes depend on several complex factors, involving not only their chemical composition but also their microstructure. Due to the combination of mesomorphic and ...
Membranas para estructuras superficiales tensadas

Cerdá Talón, María de las Mercedes (2019-01-11)

[ES] El presente trabajo surge del interés sobre las estructuras superficiales tensadas, sistema constructivo que presenta diversas aplicaciones y ventajas notables. En él se estudian las propiedades, funcionamiento, y ...